unfastener | sense examples, Usage and Definition from wordnet dictionary online

Noun unfastener has 1 sense

undoer, opener, unfastener, untier - a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces"
--₁ is a kind of person, individual, someone, somebody, mortal, human, soul

Derived form: verb unfasten₁